A fork of Rural Dictionary
All the definitions for this are related to a video game, which I admittedly do not play. One noted it as a typical Russian greeting. However, "cyka blyat" (pronounced like syoo-ka) means, literally, "bitch fuck." Not one single Russian I know would let you greet them like that unless you're "fuck my sister " cool with them. Suka is an extremely insulting word that frequently means bitch in a prison bitch context.
Yöb tvoyu matya, suka blyat! Fuck your mother, bitch fuck! Rush B cyka blyat is a command to Rush B in the video game, with the insulting names added.